#main {
    width: 80%;
    margin: auto;
    min-width: 1200px;
}

#top {
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin: auto;
}

#contain {
    width: 6120px;
    height: 330px;
}

#imgLB1,
#imgLB2 {
    width: 3060px;
    height: 330px;
    float: left;
}

#imgLB1 img,
#imgLB2 img {
    width: 330px;
    height: 330px;
    float: left;
    transition: 0.5s;
}

#imgLB1 #imgbox:hover img,
#imgLB2 #imgbox:hover img {
    transform: scale(1.2);
}

#imgLB1 #imgbox,
#imgLB2 #imgbox {
    float: left;
    width: 330px;
    height: 330px;
    margin-left: 10px;
    margin-top: 35px;
    overflow: hidden;
    cursor: pointer;
}

#imgLB1 span,
#imgLB2 span {
    display: none;
    float: left;
    width: 330px;
    height: 50px;
    line-height: 50px;
    position: relative;
    bottom: 50px;
    background-color: rgba(50, 50, 50, 0.7);
    font-size: 20px;
    color: #fff;
    text-align: center;
    /* background-color: #000; */
}